272A 272B 272C 272D 272E
The 1980 ATC185 and all ATC 185S models had a standard bore of 63 mm
all ATC 200's had a standard bore of 65 mm
These rings will work on any ATC 200 including the 200x
PR218
PICK_SIZE_HERE:
STD_65.00MM_272A
+.010"_65.25MM_272B
+.020"_65.50MM_272C
+.030"_65.75MM_272D
66.00mm_272E_+.040"
